A. Yes. The instant kit does an excellent job of determining which specimens are negative, and which specimens may need further analysis using GC/MS or LC/MS/MS laboratory testing. Any non-negative result using the OraPoint should be followed with a quantitative laboratory test. The GC/MS or LC/MS/MS laboratory analysis is the gold standard for drug testing. There is no better laboratory technology. You can be certain that if the laboratory reports the presence of drugs in a specimen, that drugs truly are present.